﻿$(function () {
    var targets = $('[rel~=tooltip]'),
        target = false,
        tooltip = false,
        title = false;

    targets.bind('mouseenter', function () {
        target = $(this);
        tip = target.attr('title');
        tooltip = $('<div id="tooltip"></div>');

        if (!tip || tip == '')
            return false;

        target.removeAttr('title');
        tooltip.css('opacity', 0)
                .html(tip)
                .appendTo('body');

        var init_tooltip = function () {
            if ($(window).width() < tooltip.outerWidth() * 1.5)
                tooltip.css('max-width', $(window).width() / 2);
            else
                tooltip.css('max-width', 340);

            var pos_left = target.offset().left + (target.outerWidth() / 2) - (tooltip.outerWidth() / 2),
                pos_top = target.offset().top - tooltip.outerHeight() - 20;

            if (pos_left < 0) {
                pos_left = target.offset().left + target.outerWidth() / 2 - 20;
                tooltip.addClass('left');
            }
            else
                tooltip.removeClass('left');

            if (pos_left + tooltip.outerWidth() > $(window).width()) {
                pos_left = target.offset().left - tooltip.outerWidth() + target.outerWidth() / 2 + 20;
                tooltip.addClass('right');
            }
            else
                tooltip.removeClass('right');

            if (pos_top < 0) {
                var pos_top = target.offset().top + target.outerHeight();
                tooltip.addClass('top');
            }
            else
                tooltip.removeClass('top');

            tooltip.css({ left: pos_left, top: pos_top })
                    .animate({ top: '+=10', opacity: 1 }, 50);
        };

        init_tooltip();
        $(window).resize(init_tooltip);

        var remove_tooltip = function () {
            tooltip.animate({ top: '-=10', opacity: 0 }, 50, function () {
                $(this).remove();
            });

            target.attr('title', tip);
        };

        target.bind('mouseleave', remove_tooltip);
        target.bind('mouseover', function () {
            timeout = window.setTimeout(function () {
                tooltip.hide();
            }, 5000);
        });
        tooltip.bind('click', remove_tooltip);
    });
});